2303133431 has 6 divisors (see below), whose sum is σ = 2430731232. Its totient is φ = 2181915540.

The previous prime is 2303133421. The next prime is 2303133461. The reversal of 2303133431 is 1343313032.

2303133431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-2303133431 is a prime.

It is a super-4 number, since 4×2303133431⁴ (a number of 39 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2303133397 and 2303133406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2303133421) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3189575 + ... + 3190296.

It is an arithmetic number, because the mean of its divisors is an integer number (405121872).

Almost surely, 2^2303133431 is an apocalyptic number.

2303133431 is a deficient number, since it is larger than the sum of its proper divisors (127597801).

2303133431 is an equidigital number, since it uses as much as digits as its factorization.

2303133431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6379909 (or 6379890 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 23.

The square root of 2303133431 is about 47990.9723906486. The cubic root of 2303133431 is about 1320.6052915370.

Adding to 2303133431 its reverse (1343313032), we get a palindrome (3646446463).

The spelling of 2303133431 in words is "two billion, three hundred three million, one hundred thirty-three thousand, four hundred thirty-one".